Area:
Speech Communication, Audiology, Neuroscience Biology
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High-probability grants
According to our matching algorithm, Ginger S. Stickney is the likely recipient of the following grants.
| Years |
Recipients |
Code |
Title / Keywords |
Matching
score |
| 2002 — 2003 |
Stickney, Ginger S |
F32Activity Code Description:
To provide postdoctoral research training to individuals to broaden their scientific background and extend their potential for research in specified health-related areas. |
Auditory Prostheses in Realistic Listening Environments @ University of California Irvine
DESCRIPTION (provided by applicant): Course spectral information sufficient for most Cl users to follow conversations in quiet environments, but performance deteriorates substantially with background noise, particularly if the noise is also speech. Assessing the relative importance of speech envelope and spectral fine structure to speech perception in noisy backgrounds is critical for the development of new signal processing strategies for cochlear implant users. Two main experiments are proposed to investigate auditory object identification and spatial segregation for speech (T) presented in noise (M). Experiment 1a examines three types of masking of a target sentence: masking release (using amplitude-modulated noise), energetic masking (using steady-state noise), and informational masking (using competing speech) in Cl and normal hearing (NH) listeners. Envelope cues play a dominant role here, but spectral fine structure becomes more important when segregating competing voices based on differences in voice pitch. Experiment 1b measures pitch differences necessary for segregating competing voices by varying the fundamental frequency (F0) of the competing speech. Experiment 2a compares "poor ear" (T to deaf ear, M to good ear) and "better ear" (T to good ear, M to deaf ear). Envelope cues suffice for these S/N comparisons. However, fine structure will be necessary for localization tasks based on interaural time differences in bilateral implant simulations (Experiment 2b).
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0.945 |